Tartrazine AR For Microscopy
C.I.No.19140, used as a food coloring agent
Acid Yellow 23
Product Code. |
02621 |
Grade |
|
Purity |
CAS No. |
1934-21-0 | |
Molecular Formula |
C16H9N4O9S2Na3 |
Molecular Weight |
534.40 |
H.S.Code |
3204.19820 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Orange coloured powder |
Odour |
Odorless |
Packaging
Specification
| Appearance | Orange colored powder |
| Absorption maxima in water | 421 - 427nm |
| Absorptivity (A 1%/1cm; at lmax) | Min 400 |
| Loss on dryig (at 135°C) | Max 15% |
Safety Information and Hazard Symbols
Symbol: GHS08
Signal Word: Warning
Hazardous Statement: H317-H334
Precaution Statement: P261-P280-P342 + P311